1 Feline stomatitis is a severe, painful inflammation of a catâs mouth and gums. 2  Dental disease, certain viruses, and some other inflammatory conditions can cause feline stomatitis.  The long-term outcome can vary. Many cats require long-term treatment to control the condition.
Vaccine Adverse Event Reporting System. The Vaccine Adverse Event Reporting System (VAERS) is a United States program for vaccine safety, co-managed by the U.S. Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA).
Over half of those serious chickenpox vaccine-related adverse events occurring in children six years old and under. Of these chickenpox-vaccine related adverse event reports to VAERS, 161 were deaths, with over 60% of the deaths occurring in children under six years of age.